pub struct Error { /* private fields */ }
Expand description

Error that occured during code generation

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impl Error

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pub fn report(&self) -> Result<()>

Prints a potentially-beautiful error report to stderr.

This prints a beautiful error message to stderr when the spanned feature is on or a non-beautiful error message otherwise.

Note that this method always colors the output. The rationale is that this is intended to be used in build scripts only and cargo captures their output which would make it colorless. To turn this off you can set the NO_COLOR environment variable. You can also use plain Debug which is (unusually) user-friendly to support Termination.

Errors

This method returns an error if writing fails.

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impl Error

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pub fn report_and_exit(&self) -> !

Reports the error and exits the program with non-zero exit code.

Panics

This method panics if writing to stderr fails.

Trait Implementations§

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impl Debug for Error

Implemented using Display so that it can be used with Termination to display nicer message.

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Display for Error

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl From<Error> for Error

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fn from(err: Error) -> Self

Converts to this type from the input type.
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impl From<Error> for Error

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fn from(err: Error) -> Self

Converts to this type from the input type.
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impl From<LoadError> for Error

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fn from(err: LoadError) -> Self

Converts to this type from the input type.
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impl From<Void> for Error

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fn from(value: Void) -> Self

Converts to this type from the input type.

Auto Trait Implementations§

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impl !RefUnwindSafe for Error

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impl Send for Error

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impl Sync for Error

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impl Unpin for Error

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impl !UnwindSafe for Error

Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

const: unstable · source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

const: unstable · source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToString for Twhere T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
const: unstable · source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.